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MAXIM INTEGRATED / ANALOG DEVICES LM4040DIX321T Voltage Reference

The LM4040DIX321T is a precision micropower shunt voltage reference with a fixed reverse-breakdown voltage of 3.21V. Designed using bandgap technology, it provides a stable, accurate voltage to serve as a reference in portable devices, industrial controls, and precision measurement systems. The device features low output noise, guarantees accuracy over a wide temperature range from -40°C to +125°C, and does not require an external capacitor for stability. Its ultra-small SC70 package makes it ideal for space-critical applications, ensuring reliable operation with minimal PCB real estate.

Authorized Distributors
Source:Newark
Part No:LM4040DIX3-2.1+T
Stock:565
Inv Date:06-05-2026
Price: Unit price: $1.37
Buy/RFQ:
Source:DigiKey
Part No:LM4040DIX3-2.1+T
Stock:1925
Inv Date:06-05-2026
Price: Unit price: $0.65092
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES LM4040DIX321T Voltage Reference Specifications:

  • Reverse Breakdown Voltage: 3.218V to 3.222V (typical 3.21V)
  • Accuracy: ±0.2%
  • Temperature Range: -40°C to +125°C
  • Low Output Noise: 28μVrms (10Hz to 10kHz)
  • Operating Current: 60μA to 15mA
  • Output Voltage Temperature Coefficient: 100ppm/°C max
  • No external capacitor required for stability
  • Package: SC70 (3-pin surface-mount)
  • Power Dissipation: 75mW at max load and oscillation conditions
  • Junction Temperature: Max +150°C

Buy the Maxim Series LM4040 3.21V: LM4040DIX321T

Purchase the Maxim LM4040DIX321T online today and benefit from its high accuracy, low noise, and wide temperature range. Its compact SC70 package is perfect for portable and industrial systems requiring a stable 3.21V voltage reference. With no external capacitors needed, it simplifies design and reduces costs. Ideal for battery-powered equipment, measurement systems, and smart electronics, ensuring reliable operation across diverse environments. Get yours now and enhance your project’s precision and stability with this high-quality component.

Buy Maxim LM4040DIX321T now and experience unmatched reliability and performance in precision voltage references for your critical applications.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES LM4040DIX321T?

You can click on the BUY or RFQ button to purchase LM4040DIX321T from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part LM4040DIX321T?

You can download the LM4040DIX321T datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of LM4040DIX321T?

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